Valjoux 23-8020, Minute Recording Runner W. Heart
- VALJOUX original part in very good used condition.
- Fits cal: 23
- 30 min counter.
Versions: 13'''
- 23: 30/45 min counter.
- 23c: 30/45 min counter, calendar.
- 72: 30 min, 12 hour counter.
- 72c: 30 min, 12 hour counter, day, date, month calendar.
- 88: 30 min, 12 hour counter, day, date, month calendar, moon phase.
- 90: sweep second, day, date, month calendar, moon phase.